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Finding the Third Proportional to 133,774 and 208,041

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Solution

The third proportional to 133,774 and 208,041 is: 323,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,774 : 208,041 = 208,041 : x
  2. Step 2: Convert to fraction form
    133,774/208,041 = 208,041/x
  3. Step 3: Cross multiply
    133,774x = 208,041 × 208,041
  4. Step 4: Simplify right side
    133,774x = 43,281,057,681
  5. Step 5: Solve for x
    x = 43,281,057,681/133,774
  6. Step 6: Final answer
    x = 323,538.64

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.